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70570408 = 2319464279
BaseRepresentation
bin1000011010011…
…01000110101000
311220210100101211
410031031012220
5121031223113
611000322504
71514560426
oct415150650
9156710354
1070570408
1136920657
121b773434
131180b34c
149530116
1562deb3d
hex434d1a8

70570408 has 16 divisors (see below), whose sum is σ = 139284000. Its totient is φ = 33428016.

The previous prime is 70570393. The next prime is 70570411. The reversal of 70570408 is 80407507.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70570408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231988 + ... + 232291.

It is an arithmetic number, because the mean of its divisors is an integer number (8705250).

Almost surely, 270570408 is an apocalyptic number.

It is an amenable number.

70570408 is a deficient number, since it is larger than the sum of its proper divisors (68713592).

70570408 is a wasteful number, since it uses less digits than its factorization.

70570408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464304 (or 464300 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70570408 is about 8400.6195009654. The cubic root of 70570408 is about 413.2449383178.

The spelling of 70570408 in words is "seventy million, five hundred seventy thousand, four hundred eight".

Divisors: 1 2 4 8 19 38 76 152 464279 928558 1857116 3714232 8821301 17642602 35285204 70570408